/Engine/Source/Editor/UnrealEd/Public/LevelEditorViewport.h
Caching for expensive FindViewComponentForActor. Invalidated once per Tick.
static [TMap](API\Runtime\Core\Containers\TMap)< [TObjectKey](API\Runtime\CoreUObject\UObject\TObjectKey)< [AActor](API\Runtime\Engine\GameFramework\AActor) >, [TWeakObjectPtr](API\Runtime\Core\UObject\TWeakObjectPtr)< [UActorComponent](API\Runtime\Engine\Components\UActorComponent) > > ViewComponentForActorCache;